What is an example of a diagnostic test?

An MRI (Magnetic Resonance Imaging) is a prime example of a diagnostic test because it is a specialized imaging technique used to visualize internal structures of the body, particularly soft tissues. MRIs provide detailed images of organs and tissues, which can aid in diagnosing a variety of medical conditions, such as tumors, brain disorders, and joint abnormalities. The ability to generate high-resolution images makes it an essential tool in modern medicine for accurate diagnosis and treatment planning.

In contrast, while an X-ray is also a diagnostic tool, it does not provide the same level of detail for soft tissues as an MRI. A physical examination involves a healthcare provider evaluating the patient's overall health through observation and palpation, but it does not utilize imaging technology or laboratory analysis. Blood pressure measurement is a vital sign assessment that indicates cardiovascular health but is not a diagnostic test in the same context as imaging studies like an MRI.